US Bridges

NW Maple Ave over Dry Canyon

Good

Deschutes County, Oregon · 0.2 MI W 6th ST Old 97 · Structure no. 20672 000 00000

Built
2006
19 years old
Condition
Good
inspected February 2023
Type
Arch - Deck
Concrete
Length
780 ft
3 main spans
Daily traffic
2,511
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

NW Maple Ave over Dry Canyon is a concrete arch - deck carrying NW Maple Ave over Dry Canyon in Deschutes County, Oregon. It was built in 2006, so it is 19 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,511 vehicles a day, roughly 2% of them trucks, projected to reach 2,858 by 2025. The structure is 780 ft (237.7 m) long and 53 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNW Maple Ave
CrossesDry Canyon
Location0.2 MI W 6th ST Old 97
RouteCounty Highway C0000
StateOregon
Coordinates44.29097, -121.18135
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.7 US tons
Inventory rating19 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHL 93
Structure length780 ft (237.7 m)
Longest span210 ft (64 m)
Deck width53 ft (16.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,511 (2020)
Projected traffic2,858 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NW Maple Ave over Dry Canyon built?

It was built in 2006, making it 19 years old in 2025.

What condition is NW Maple Ave over Dry Canyon in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does NW Maple Ave over Dry Canyon carry?

About 2,511 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is NW Maple Ave over Dry Canyon?

The structure is 780 ft (237.7 m) long with a longest span of 210 ft (64 m) and a deck 53 ft wide.

Who owns NW Maple Ave over Dry Canyon?

It is owned by the City or Municipal Highway Agency.